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首页> 外文会议>Advances in X-ray free-electron lasers II: instrumentation >Micro-focusing of soft X-ray pulses by grazing-incidence toroidal mirrors
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Micro-focusing of soft X-ray pulses by grazing-incidence toroidal mirrors

机译：掠入射环形反射镜对软X射线脉冲进行微聚焦

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摘要

The design of optical systems for micro-focusing of extreme-ultraviolet (XUV) and soft X-ray pulses through grazing-incidence toroidal mirrors is presented. Aim of the configuration here presented is to provide a micro-focused image through a high demagnification of the source with almost negligible aberrations and a long exit arm to accommodate at the output a large experimental chamber. We present the analytical and numerical study of two configurations to fulfill these requirements with two toroidal mirrors. The first mirror provides a demagnified image of the source in the intermediate plane that is free from defocusing but has a large coma aberration, the second mirror is mounted in Z-shaped geometry with respect to the previous one, in order to give a stigmatic image with a coma that is opposite to that provided by the first one. Some examples are provided to demonstrate the capability to achieve spot sizes in the 5-15 um range both applied to high-order laser harmonics and free-electron-laser radiation.
机译：提出了通过掠入射环形镜微聚焦极紫外（XUV）和软X射线脉冲的光学系统的设计。此处介绍的配置的目的是通过对源进行高倍放大来提供微聚焦图像，并具有几乎可以忽略的像差和长的输出臂，以在输出端容纳较大的实验腔。我们提出两种配置的解析和数值研究，以通过两个环形镜满足这些要求。第一个反射镜在源平面中提供了源的缩小图像，该图像没有散焦，但彗形像差较大，第二个反射镜相对于前一个镜面以Z形几何形状安装，以便产生像散图像。昏迷与第一个昏迷相反。提供了一些示例，以演示实现应用于高阶激光谐波和自由电子激光辐射的5-15 um范围内的光斑尺寸的能力。

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  • 来源
  • 会议地点 Prague(CZ)
  • 作者

    Luca Poletto; Fabio Frassetto; Sunilkumar Anumula; Francesca Calegari; Andrea Trabattoni; Mauro Nisoli;

  • 作者单位

    National Council for Research of Italy-Institute of Photonics and Nanotechnologies, Via Trasea 7, 35131 Padova, Italy;

    National Council for Research of Italy-Institute of Photonics and Nanotechnologies, Via Trasea 7, 35131 Padova, Italy;

    Department of Physics - Politecnico of Milano and National Council for Research of Italy-Institute of Photonics and Nanotechnologies, Piazza L. Da Vinci 32, 20133 Milano, Italy;

    Department of Physics - Politecnico of Milano and National Council for Research of Italy-Institute of Photonics and Nanotechnologies, Piazza L. Da Vinci 32, 20133 Milano, Italy;

    Department of Physics - Politecnico of Milano and National Council for Research of Italy-Institute of Photonics and Nanotechnologies, Piazza L. Da Vinci 32, 20133 Milano, Italy;

    Department of Physics - Politecnico of Milano and National Council for Research of Italy-Institute of Photonics and Nanotechnologies, Piazza L. Da Vinci 32, 20133 Milano, Italy;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    mirror system design; toroidal mirrors; aberrations; soft X-rays; micro-focusing; grazing-incidence optics;

    机译：镜系统设计；环形镜；像差柔和的X射线微观聚焦掠入射光学;

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